OpenTechnical

OT-2026-000085217

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000085217) never changes.

Identity and time

Publication numberOT-2026-000085217 · never reused
Internal UUID01a0ae99-43ba-778d-b9f2-6d99aba2e5dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085217
StatusPUBLIC

Content hashes

Canonical text529d3add5e24bebe45f24bb47b644f56050912f5af02527e0df7b008488fcd7c
Markdown6b3d9418010a8027bfd318ebaf11e2730e8d731ee1a280e41837e48a956a84f1
PDF
Publication page46b934b1f24b27a9ffe7f5fac21742f86eafb8d44200d4827a43b0b4f86893dc
Manifesta1a5467bdb284b8acb865091fd4536890c7e92d92c162d1ce2e08035fbe684d3

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureEl41DloLNlvlTNQAzomQT3mlOXyIKlEYOuTJ5lV9nUhn6lnK6V73nHzV07/VFXedzDN6QHx8j6WeYegnGDHDCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:18.908595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085217
observed 46b934b1f24b27a9ffe7f5fac21742f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.890699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085217/manifest.json
observed a1a5467bdb284b8acb865091fd453689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.873946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085217/publication.md
observed 6b3d9418010a8027bfd318ebaf11e273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.856885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085217/publication.txt
observed 529d3add5e24bebe45f24bb47b644f56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.